#include<bits/stdc++.h>
using namespace std;
int lm,n,a[100009],h[100009],ans=0;
int main(){
    freopen("duel.in","r",stdin);
    freopen("duel.out","w",stdout);
    scanf("%d",&n);
    for(int i=1;i<=n;i++){
        scanf("%d",&a[i]);
        h[a[i]]++;
    }for(int i=1;i<=100005;i++){
        ans=max(ans,h[i]);
    }printf("%d",ans);
    return 0;
}
